There didn't seem to be a length on the support board that ran vertical, I ended up making them 38 inches long before I cut the ends off at 16 degrees, This made the box end up being 39 inches tall, and it works great!
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There didn't seem to be a length on the support board that ran vertical, I ended up making them 38 inches long before I cut the ends off at 16 degrees, This made the box end up being 39 inches tall, and it works great!